Finding the Third Proportional to 1,679,904 and 3,686,424

Step by Step Solution

1. Step 1: Write the proportion equation
   1,679,904 : 3,686,424 = 3,686,424 : x
2. Step 2: Convert to fraction form
   1,679,904/3,686,424 = 3,686,424/x
3. Step 3: Cross multiply
   1,679,904x = 3,686,424 × 3,686,424
4. Step 4: Simplify right side
   1,679,904x = 13,589,721,907,776
5. Step 5: Solve for x
   x = 13,589,721,907,776/1,679,904
6. Step 6: Final answer
   x = 8,089,582.45